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Kyushu Weather Guide
Yakushima Weather & What to Wear
Yakushima, Shiratani Unsuikyo, Jomon Sugi, Yakusugi Land
A World Natural Heritage island known for the Jomon Sugi cedar, the mossy forests of Shiratani Unsuikyo, and Yakusugi Land. The lowlands are warm, with highs around 15°C even in winter, but annual rainfall is extremely high at 4,652 mm, and the mountains get much colder than the lowlands (temperatures are from the lowland station).
- January low
- 8.9℃
- August high
- 30.9℃
- Max snow depth
- —
Forecast
Forecast: Today & the Next 7 Days
JMA forecast issued Oct 22, 11 AM
Every 3 Hours: Today & Tomorrow
- Today3 PMCloudy☂ 20%10–14m/s
- 6 PMCloudy☂ 40%10–14m/s
- 9 PMCloudy☂ 40%10–14m/s
- Tomorrow12 AMRain☂ 90%10–14m/s
- 3 AMRain☂ 90%10–14m/s
- 6 AMRain☂ 90%10–14m/s
- 9 AMRain☂ 90%10–14m/s
- 12 PMRain☂ 80%10–14m/s
- 3 PMRain☂ 80%10–14m/s
- 6 PMRain☂ 60%10–14m/s
- 9 PMRain☂ 60%10–14m/s
Weather and wind are for the wider area; temperature is for the main forecast point. Chance of rain is for the 6-hour period. There is no 3-hourly temperature forecast for this area, so temperatures are not shown.
- Today10/22(Thu)Cloudy☂ 40%
- Tomorrow10/23(Fri)Rain☂ 90%
- 10/24(Sat)Cloudy, rain at times☂ 70%
- 10/25(Sun)Cloudy, brief rain☂ 50%Reliability C
- 10/26(Mon)Cloudy, rain at times☂ 70%Reliability B
- 10/27(Tue)Cloudy, sunny at times☂ 30%Reliability C
- 10/28(Wed)Sunny, cloudy at times☂ 20%Reliability A
- ☂ Chance of rain
- From day 3, the weekly forecast covers a wider prefecture-level area.
- Reliability of the weekly forecast (A: high, B: fairly high, C: fairly low)
- There is no temperature forecast point for this area, so temperatures are not shown.
- Source: Japan Meteorological Agency (weather forecast)
Best Season
Best Time to Visit Yakushima
For sunny spells
July and August, after the rainy season, have the most hours of sunshine of the year, and August rainfall, at 256.5 mm, is the lowest of the year.
Climate
Yakushima Temperature & Snow Through the Year
Monthly high / low temperature (°C)
HighLow
Month by Month
Month-by-Month Weather & What to Wear
| Month | High | Low | Precip. | Max snow depth | What to wear |
|---|---|---|---|---|---|
| Jan | 14.7℃ | 8.9℃ | 294.6mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Feb | 15.5℃ | 9.2℃ | 289.2mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Mar | 18.0℃ | 11.3℃ | 387mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Apr | 21.4℃ | 14.2℃ | 405.5mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| May | 24.5℃ | 17.5℃ | 444.1mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jun | 26.9℃ | 21.0℃ | 860.3mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jul | 30.5℃ | 23.9℃ | 362.4mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Aug | 30.9℃ | 24.6℃ | 256.5mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Sep | 28.9℃ | 22.8℃ | 450.7mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Oct | 25.2℃ | 19.4℃ | 309.9mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Nov | 21.2℃ | 15.2℃ | 309.6mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Dec | 16.8℃ | 11.0℃ | 281.8mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
Clothing tips are based on the normal high temperature and snow depth. Bring an extra layer for mornings and evenings.
Seasons
Yakushima Through the Seasons
🌸
Spring
Mar–MayEarly spring is rainy, with 405.5 mm in April. April highs in the lowlands are around 21°C, but the weather in the mountains changes quickly, so rain gear is essential.
☀️
Summer
Jun–AugIn southern Kyushu, the rainy season usually runs from around May 30 to around July 15, and June is the wettest month of the year, with 860.3 mm of rain. August highs are around 31°C.
🍁
Autumn
Sep–NovTyphoons bring heavy rain in September, with 450.7 mm. October highs are around 25°C, and the season becomes good for trekking.
❄️
Winter
Dec–FebLowland highs are around 15–17°C. In the mountains above 1,300 m, snow settles from December to February, and roads to Yakusugi Land and Shiratani Unsuikyo are sometimes closed.
Travel Passes
Travel passes you can use in Yakushima
🚄 JRPlan Your Trip
Plan Your Yakushima TripPR
Other Areas
Weather in Other Areas
Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Yakushima station; actual weather varies from year to year.
